Home / 38,999,103.52-53,818,100.42-21,595,075.07

Finding the Fourth Proportional to 38,999,103.52, 53,818,100.42 and 21,595,075.07

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Solution

The fourth proportional to 38,999,103.52, 53,818,100.42 and 21,595,075.07 is: 29,800,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999,103.52 : 53,818,100.42 = 21,595,075.07 : x
  2. Step 2: Convert to fraction form
    38,999,103.52/53,818,100.42 = 21,595,075.07/x
  3. Step 3: Cross multiply
    38,999,103.52x = 53,818,100.42 × 21,595,075.07
  4. Step 4: Simplify right side
    38,999,103.52x = 1,162,205,918,694,698.50
  5. Step 5: Solve for x
    x = 1,162,205,918,694,698.50/38,999,103.52
  6. Step 6: Final answer
    x = 29,800,836.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.